# Dmsons Metal Pvt. Ltd. > Steel importer, stockist and supplier in Mumbai, India: plates, coils, round bars, pipes and structural steel, with about 30,000-35,000 MT of ready stock, ISO 9001:2015, and delivery across India. No prices are published. A buyer gets a price by sending a quote request. ## For people - [Steel calculator and quote builder](https://dmsons.com/steel-calculator/): work out weights and send a quote request - [Steel products](https://dmsons.com/steel-products/): the catalogue - [Contact](https://dmsons.com/contact-us/): phone +91 7039886207, enquiry@dmsons.com ## For programs and AI assistants - [Catalogue (JSON)](https://dmsons.com/catalogue.json): every product with a stable id, form, category and page - [API description (OpenAPI)](https://dmsons.com/api/openapi.json) - Weight of one item: `GET https://dmsons.com/api/steel-weight?form=plate&thickness=12&width=2500&length=6000&pieces=4` - Send a quote request: `POST https://dmsons.com/api/quote` with JSON (see the API description). Only with the buyer's real contact details and agreement. - MCP server (tools: calculate_steel_weight, search_products, create_quote_request): `https://dmsons.com/mcp` ## Rules of thumb - Dimensions are in millimetres. Weights are theoretical, at 7,850 kg/m3. - plate: thickness x width x length. round-bar: diameter x length. pipe: outside_diameter x wall_thickness x length. coil and structural are asked for by weight (weight_mt).